billow cloud

noun

: a long narrow cloud or usually a series of such clouds roughly parallel to each other caused by the flow of one layer of air over another producing waves at their interface the relatively cold crests of which are cloud-capped and their relatively warm troughs clear when the humidity is just right

Cite this Entry

Style

“Billow cloud.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/billow%20cloud. Accessed 3 Dec. 2024.

Copy Citation

Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.

Can you solve 4 words at once?

Can you solve 4 words at once?

Word of the Day

eschew

Listen to the pronunciation of eschew

See Definitions and Examples »

Get Word of the Day daily email!